As California's Camp Fire continues to burn and the smoke spreads across a large swath of the U.S., experts say that the biggest health danger from the smoke comes from the particulate matter that it contains. Indeed, in terms of harm to human health, the principal exposure from wildfire smoke...
A disastrous combination of tinder-dry vegetation, the strongest Santa Ana winds in a decade and a spark caused a wildfire to explode in Ventura County, California, north of Los Angeles, overnight Monday (Dec. 4). Less than 24 hours later, the blaze had torn through more than 45,000 acres and destroyed...